/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.jsio.client.impl;

import com.google.gwt.core.client.JavaScriptObject;

/**
 * Encapsulates wrap/unwrap logic for passing objects through the
 * Java/JavaScript barrier.
 * 
 * @param <T> the type of object
 */
public interface Extractor<T> {
  T fromJS(JavaScriptObject jso);

  JavaScriptObject toJS(T o);
}